68891266 has 8 divisors (see below), whose sum is σ = 103498560. Its totient is φ = 34391748.

The previous prime is 68891231. The next prime is 68891267. The reversal of 68891266 is 66219886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68891267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25326 + ... + 27913.

It is an arithmetic number, because the mean of its divisors is an integer number (12937320).

Almost surely, 2^68891266 is an apocalyptic number.

68891266 is a deficient number, since it is larger than the sum of its proper divisors (34607294).

68891266 is a wasteful number, since it uses less digits than its factorization.

68891266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53888.

The product of its digits is 248832, while the sum is 46.

The square root of 68891266 is about 8300.0762647099. The cubic root of 68891266 is about 409.9410305830.

The spelling of 68891266 in words is "sixty-eight million, eight hundred ninety-one thousand, two hundred sixty-six".